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package kamon.trace
import akka.actor.ActorSystem
import akka.testkit.{ ImplicitSender, TestKitBase }
import com.typesafe.config.ConfigFactory
import org.scalatest.{ Matchers, WordSpecLike }
class TraceContextManipulationSpec extends TestKitBase with WordSpecLike with Matchers with ImplicitSender {
implicit lazy val system: ActorSystem = ActorSystem("trace-metrics-spec", ConfigFactory.parseString(
"""
|kamon.metrics {
| tick-interval = 1 hour
| filters = [
| {
| trace {
| includes = [ "*" ]
| excludes = [ "non-tracked-trace"]
| }
| }
| ]
| precision {
| default-histogram-precision {
| highest-trackable-value = 3600000000000
| significant-value-digits = 2
| }
|
| default-min-max-counter-precision {
| refresh-interval = 1 second
| highest-trackable-value = 999999999
| significant-value-digits = 2
| }
| }
|}
""".stripMargin))
"the TraceRecorder api" should {
"allow starting a trace within a specified block of code, and only within that block of code" in {
val createdContext = TraceRecorder.withNewTraceContext("start-context") {
TraceRecorder.currentContext should not be empty
TraceRecorder.currentContext
}
TraceRecorder.currentContext shouldBe empty
createdContext.name shouldBe ("start-context")
}
"allow starting a trace within a specified block of code, providing a trace-token and only within that block of code" in {
val createdContext = TraceRecorder.withNewTraceContext("start-context-with-token", Some("token-1")) {
TraceRecorder.currentContext should not be empty
TraceRecorder.currentContext
}
TraceRecorder.currentContext shouldBe empty
createdContext.name shouldBe ("start-context-with-token")
createdContext.token should be("token-1")
}
"allow providing a TraceContext and make it available within a block of code" in {
val createdContext = TraceRecorder.withNewTraceContext("manually-provided-trace-context") { TraceRecorder.currentContext }
TraceRecorder.currentContext shouldBe empty
TraceRecorder.withTraceContext(createdContext) {
TraceRecorder.currentContext should be(createdContext)
}
TraceRecorder.currentContext shouldBe empty
}
"allow renaming a trace" in {
val createdContext = TraceRecorder.withNewTraceContext("trace-before-rename") {
TraceRecorder.rename("renamed-trace")
TraceRecorder.currentContext
}
TraceRecorder.currentContext shouldBe empty
createdContext.name shouldBe ("renamed-trace")
}
"allow creating a segment within a trace" in {
val createdContext = TraceRecorder.withNewTraceContext("trace-with-segments") {
val segment = TraceRecorder.currentContext.startSegment("segment-1", "segment-1-label")
TraceRecorder.currentContext
}
TraceRecorder.currentContext shouldBe empty
createdContext.name shouldBe ("trace-with-segments")
}
"allow renaming a segment" in {
TraceRecorder.withNewTraceContext("trace-with-renamed-segment") {
val segment = TraceRecorder.currentContext.startSegment("original-segment-name", "segment-label")
segment.name should be("original-segment-name")
segment.rename("new-segment-name")
segment.name should be("new-segment-name")
}
}
}
}
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